AAVSO Sudden Ionospheric Disturbance Report October 1986 Observers: A-19 A-52 YYMMDD Event Peak (UT) Importance 861019 1631 1- 861019 2113 1 861024 1240 1- 861025 0608 2 ******************************************* Importance Summary October 1986 1- events: 2 1 events: 1 1+ events: 0 2 events: 1 2+ events: 0 3 events: 0 3+ events: 0 Total events: 4